Microbial detection in table salt

Table salt refers to different sources of sea salt, well salt, mineral salt, lake salt, soil salt, etc. Their main component is sodium chloride, and the national regulations stipulate that the sodium chloride content of well salt and mineral salt should not be less than 95%. Table salt contains impurities such as barium salt, chloride, magnesium, lead, arsenic, zinc, sulfate, etc. We stipulate that the barium content shall not exceed 20mg/kg. Excessive magnesium and calcium content in table salt can make the salt bitter, while high fluoride content can also cause poisoning. In recent years, many experiments have confirmed that there is a certain relationship between salt intake and the incidence rate of hypertension. Excessive salt intake in the diet can cause hypertension

Salt has a wide range of functions: sterilization and disinfection, tooth protection, beauty, skin cleaning, decontamination, medical treatment, important chemical raw materials, consumption... Chemical properties:

1. It can react with silver nitrate to obtain silver chloride precipitation

Solid table salt can co heat with concentrated sulfuric acid to obtain hydrogen chloride gas

3. Electrolysis of sodium chloride solution can obtain chlorine gas, hydrogen gas, and sodium hydroxide

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